Ключевые слова: architecture, building, castle, culture, daylight, defense, donjon, europe, famous, fortification, fortress, hill, historical, history, island, islet, karelian, lake, landmark, landscape, medieval, medieval castle, nord, old, outdoors, outer, petersburg, russia, russian, sky, spring, st olaf, stone, swedish, tourist, tower, town, travel, trees, view, vyborg, wall, walls, water,